Agricola, Georgius, De re metallica, 1912/1950

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    <archimedes>
      <text>
        <body>
          <chap>
            <pb/>
            <p type="head">
              <s>
                <emph type="bold"/>
              BOOK I.
                <emph.end type="bold"/>
              </s>
            </p>
            <p type="main">
              <s>Many persons hold the opinion that the metal indus­
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              tries are fortuitous and that the occupation is one
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              of sordid toil, and altogether a kind of business
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              requiring not so much skill as labour. </s>
              <s>But as for
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              myself, when I reflect carefully upon its special
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              points one by one, it appears to be far otherwise.
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              </s>
              <s>For a miner must have the greatest skill in his
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              work, that he may know first of all what mountain
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              or hill, what valley or plain, can be prospected most
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              profitably, or what he should leave alone; moreover, he must understand the
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              veins, stringers
                <emph type="sup"/>
              1
                <emph.end type="sup"/>
              and seams in the rocks
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              2
                <emph.end type="sup"/>
              . </s>
              <s>Then he must be thoroughly
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              familiar with the many and varied species of earths, juices
                <emph type="sup"/>
              3
                <emph.end type="sup"/>
              , gems,
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              stones, marbles, rocks, metals, and compounds
                <emph type="sup"/>
              4
                <emph.end type="sup"/>
              . </s>
              <s>He must also have a
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                <lb/>
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              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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